choose [tʃuːz] 选择;挑选
chose [tʃəʊz] choose的过去式
decide [dɪˈsaɪd] 决定;对…作出抉择
You choose, I can't decide.
It's time for her to choose a dress.
We chose to go by train.
I decide to buy the blue coat.
First I had to decide what to wear.
I can't decide to go to see a film or to watch TV at home.